21000547716

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{280771}}^1$

素因数の和:281072

約数の個数: 48

約数和(自身を含む): 51320629248

約数和(自身を除く): 30320081532

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 271, 276, 542, 813, 1084, 1626, 3252, 6233, 12466, 18699, 24932, 37398, 74796, 280771, 561542, 842313, 1123084, 1684626, 3369252, 6457733, 12915466, 19373199, 25830932, 38746398, 76088941, 77492796, 152177882, 228266823, 304355764, 456533646, 913067292, 1750045643, 3500091286, 5250136929, 7000182572, 10500273858, 21000547716]

約数ペア:

[(1, 21000547716), (2, 10500273858), (3, 7000182572), (4, 5250136929), (6, 3500091286), (12, 1750045643), (23, 913067292), (46, 456533646), (69, 304355764), (92, 228266823), (138, 152177882), (271, 77492796), (276, 76088941), (542, 38746398), (813, 25830932), (1084, 19373199), (1626, 12915466), (3252, 6457733), (6233, 3369252), (12466, 1684626), (18699, 1123084), (24932, 842313), (37398, 561542), (74796, 280771)]